3652161 has 16 divisors (see below), whose sum is σ = 5428800. Its totient is φ = 2170368.

The previous prime is 3652153. The next prime is 3652163. The reversal of 3652161 is 1612563.

It is not a de Polignac number, because 3652161 - 2³ = 3652153 is a prime.

It is an alternating number because its digits alternate between odd and even.

3652161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3652163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (339300).

Almost surely, 2^3652161 is an apocalyptic number.

It is an amenable number.

3652161 is a deficient number, since it is larger than the sum of its proper divisors (1776639).

3652161 is a wasteful number, since it uses less digits than its factorization.

3652161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its digits is 1080, while the sum is 24.

The square root of 3652161 is about 1911.0627933168. The cubic root of 3652161 is about 153.9985522999.

The spelling of 3652161 in words is "three million, six hundred fifty-two thousand, one hundred sixty-one".